Pulmonary Function Tests Cases of Chronic Hemolytic Anaemia

the aim of the present work was to study some of the ventilatory patterns in patients with chronic hemolytic anaemia,together with possible factors important in its genesis,its role in the causation of symptoms and its usefulness in the clinical appraisal of patients. the study was carried out on a total numder of 60 subjects in two groups;the first,included30patients with B-thalassaemia major.